PMAC 3000 Page8
to see a positive value in inlb.The display is unchanged from before because the display is
showingthelastpeakcaptured.Thenextpeaktobecapturedwillreflectthechangesthatthe
userhasmade.
Record
TheRecordfunctionssamplethesensoratarateof10,000readings/second.Thesamplerateis
user selectable down to 1 reading/second.In the case of any sample rate lower than 10,000
readings/second,thePMAC3000willstillsampleatthe10,000readings/secondandwillaverage
thereadingstoproducetheuserselectedsamplerate.
InAutoRecord,theprocessstartswhenareadingisgreaterthanorequaltotheuserdefined
sensorThresholdvalueandendswhenthereadingstaysbelow80%oftheuserdefinedsensor
Threshold value for more than 100 milliseconds. Upon the expiration of the 100 millisecond
timer,theprocessisconsideredcompleteandthedisplaywillshowanindicationthatrecording
hasended.Ifthereadingrisesabove80%oftheuserdefinedsensorThresholdvaluebeforethe
100 millisecond timer has expired, the process is not considered complete and recording will
continue.TheuserdefinedsensorThresholdisevaluatedwithrespecttotheabsolutevalueof
thereading,sothatthesignofthereadingdoesnotplayapartintheevaluation.
Note:High,PassandLowlimitsarenotevaluatedinRecordmode,howeverthereisanoutput
called Target that is available on the Digital I/O connector.See Figure 1.The Target output
triggers when the magnitude of the load is greater than the Sensor Target value.The Target
evaluationisdoneinrealtimeandmaybeusedtocontroltheprocess.TheSensorTargetvalue
isprogrammablethroughthePMAC3000Menu.SeeMenusection.
InManualRecord,theprocessstartseitherbypressingtheStartbuttonfromtheManualRecord
screen,oractivatingtheCycle‐OninputwithintheI/O connector on the rearoftheunit.The
process also ends either by pressing the Stop button from the Manual Record screen, or de‐
activatingtheCycle‐OninputwithintheI/Oconnectorontherearoftheunit.
ThePMAC3000mayholdinexcessof3,000,000recordedreadings.Thesereadingscanbeallin
oneplot,ormadeupofnumerousplots.ThePMAC3000canstoreup
to30plots.Memoryis
shared with the Peak functions, so if any peaks are stored in memory, they may reduce the
storagecapacityforrecordings.Inthiscase,storagecapacitycanbeincreasedbyerasingpeak
readings.
Figure9showsthetypicalManualRecorddisplay.
To Next Page
Loading...
